D06N2211/28

Synthetic leather
11479909 · 2022-10-25 · ·

The present invention provides a synthetic leather including at least a base material (i), an adhesive layer (ii), and a skin layer (iii), wherein the adhesive layer (ii) is formed of an anionic urethane resin composition containing an anionic urethane resin (S) having an anionic group concentration of 0.25 mmol/g or less, water (T), and an anionic surfactant (U), and the skin layer (iii) is formed of a urethane resin composition containing a urethane resin (A), for which a raw material is reactive silicone (a1) having a functional group that reacts with an isocyanate group, and containing water (B). Preferably, the urethane resin (A) is an anionic urethane resin having an acid value of 20 mgKOH/g or less.

Synthetic leather
11479911 · 2022-10-25 · ·

The present invention provides a synthetic leather including at least a base (i), an adhesive layer (ii), and a skin layer (iii). The adhesive layer (ii) is formed of a urethane resin composition including a urethane resin (A) produced using an aromatic polyisocyanate (a1) as a raw material and water (B). The skin layer (iii) is formed of a urethane resin composition including an anionic urethane resin (X) having an anionic group concentration of 0.25 mmol/g or less, water (Y), and an anionic surfactant (Z). The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. The urethane resin (A) has an aromatic ring concentration of 0.1 to 2.5 mol/kg.

Synthetic leather
11479910 · 2022-10-25 · ·

The present invention provides a synthetic leather including at least a base material (i), an adhesive layer (ii), and a skin layer (iii), wherein both the adhesive layer (ii) and the skin layer (iii) are formed of a urethane resin composition containing an anionic urethane resin having an anionic group concentration of 0.25 mmol/g or less, water, and an anionic surfactant. Preferably, the anionic surfactant is an alkylsulfosuccinate. The anionic group concentration of the anionic urethane resin is preferably within the range of 0.005 to 0.25 mmol/g and more preferably within the range of 0.01 to 0.2 mmol/g.

URETHANE PREPOLYMER, ADHESIVE, MULTILAYER BODY AND SYNTHETIC LEATHER

The present invention relates to a urethane prepolymer having an isocyanate group, a viscosity at 100° C. of 30 to 600 dPa.Math.s, and a thermal softening temperature after moisture curing of 75 to 155° C.

Article comprising a flame retardant polymeric foam

An article comprising a polymeric foam, wherein the polymeric foam contains a continuous polymer matrix defining cells therein, the polymer matrix containing: (a) from 25 to 65 weight percent of one or more olefin block copolymer having a melt index of two grams per ten minutes or more, (b) from 65 to 25 weight percent of one or more chlorinated olefin polymer having a Mooney viscosity less than 60 (ML 1+4, 125° C.), and (c) from 5 to 30 weight parts of antimony trioxide relative to 100 weight parts of polymers in the polymeric foam, with weight percent values relative to total polymer weight in the polymeric foam; a process for preparing the article.

Synthetic leather
11466402 · 2022-10-11 · ·

The present invention provides a synthetic leather including at least a base (i), an adhesive layer (ii), and a skin layer (iii). The adhesive layer (ii) and the skin layer (iii) are both formed of a urethane resin composition including a urethane resin and water, the urethane resin being produced using an aromatic polyisocyanate as a raw material. The urethane resin composition forming the adhesive layer (ii) preferably includes a urethane resin (A) and water (B), the urethane resin (A) being produced using an aromatic polyisocyanate (a1) as a raw material. The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. It is preferable that the urethane resin (A) include an anionic group and the concentration of the anionic group in the urethane resin (A) be 0.35 mmol/g or less.

CURABLE COMPOSITION AND SYNTHETIC LEATHER

A curable composition including: a component (a): a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g; a component (b): a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g; and a component (c): a polyisocyanate having an average number of functional groups per molecule, of 2 to 6.

NAPPED ARTIFICIAL LEATHER

A napped artificial leather includes: a non-woven fabric that is art entangled body of ultrafine fibers, and an elastic polymer applied into the non-woven fabric; where the napped artificial leather has, on at least one side thereof, a napped surface formed by napping the ultrafine fibers. Each of the ultrafine fibers is art ultrafine fiber having a fineness of 0.5 dtex or less, and a tensile strength of 6 to 9 mN. A plurality of the ultrafine fibers form a fiber bundle, and the ultrafine fibers that form the fiber bundle are not constrained by the elastic polymer in a region of the napped artificial leather other than a surface layer portion. A content ratio of the elastic polymer is 16 to 40 mass %, and the napped artificial leather has an apparent density of 0.38 g/cm.sup.3 or more.

POLYVINYL CHLORIDE ARTIFICIAL LEATHER WITHOUT A FOAMING STRUCTURE
20230106419 · 2023-04-06 ·

A polyvinyl chloride artificial leather without a foaming structure is provided. The polyvinyl chloride artificial leather includes a base fabric layer and a top fabric layer directly formed on the base fabric layer. The top fabric layer has a solid structure extendedly formed from one surface of the top fabric layer to the base fabric layer, and the solid structure is formed by a fabric composition. The solid structure has a predetermined thickness. The fabric composition includes 40 to 70 parts by weight of a polyvinyl chloride resin and 30 to 60 parts by weight of a polymer plasticizer. A weight average molecular weight of the polymer plasticizer is within a range from 1,500 to 6,000, a molecular structure of the polymer plasticizer has at least one soft segment that is in a linear shape, and the at least one soft segment has an ether group.

LEATHER MATERIAL AND VEHICLE DASHBOARD COMPOSITE STRUCTURE
20220314904 · 2022-10-06 ·

A leather material suitable for being attached to a touch display panel such as a vehicle dashboard is provided. The leather material includes a foam layer and a fabric layer. The foam layer is foamed to provide a leather feel. The fabric layer is disposed on the foam layer, and the fabric layer is color-matched and embossed to present a leather pattern. Base materials of the foam layer and the fabric layer are both at least one material selected from the group consisting of polyvinyl chloride (PVC), polyurethane (PU), and polyolefin (PO). The leather material in entirety has a visible light transmittance of between 40% and 70% and has a resistivity of not less than 10.sup.10 Ωcm. A vehicle dashboard composite structure is also provided.